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Finding the Fourth Proportional to 1,534.68, 2,298.84 and 802.03

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Solution

The fourth proportional to 1,534.68, 2,298.84 and 802.03 is: 1,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.68 : 2,298.84 = 802.03 : x
  2. Step 2: Convert to fraction form
    1,534.68/2,298.84 = 802.03/x
  3. Step 3: Cross multiply
    1,534.68x = 2,298.84 × 802.03
  4. Step 4: Simplify right side
    1,534.68x = 1,843,738.65
  5. Step 5: Solve for x
    x = 1,843,738.65/1,534.68
  6. Step 6: Final answer
    x = 1,201.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.